... 20mm 3.Motor ,diesel . Excellent 4-5M3/H Wet-Mix Concrete Machine For Swimming Pool 1. Application:JEAO-1 Wet-mix shotcrete ... layer, reliable performance and so on. It is widely employed in mining, tunnel, subway, hydropower engineering, underground excavation engineering, etc ... concrete, etc. And wet-mix shotcrete has widely been using in more and more concrete engineerings.3. Technical Data: Item ...